I want to use Add Force

I use Unreal Engine 4.7.6, and there is me. I want to program it in blue print, but a menu called is added when I click the right button of the graph of the blue print editor, but a menu called is not shown in that either.
I do not understand a reason. Please inform one to understand.

I use Unreal Engine 4.7.6, and there is me. I want to program it in blue print, but a menu called Call Function on Sphere Static Mesh is added when I click the right button of the graph of the blue print editor, but a menu called Add Force is not shown Physics in that either.
I do not understand a reason. Please inform one to understand.